Ferns and fern allies of Guatemala Stolze, Robert G. creator text book Chicago, Ill Field Museum of Natural History 1976- 1976
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ENG pt. 1. Ophioglossaceae through Cyatheaceae.-- pt. 2. Polypodiaceae. Ferns Guatemala Pteridophyta QK1 .F4 vol. 39, pt. 1, etc. 587/.3/097281 Fieldiana, Botany, v. 39 https://www.biodiversitylibrary.org/bibliography/42247 0015-0746 Publication (Field Museum of Natural History), 1246 https://www.biodiversitylibrary.org/bibliography/2453 2793754 10.5962/bhl.title.2453 DLC